# futureValue.py
# Given the principal amount, the interest rate and the number of compounding periods,
# the program calculates the value of the investment ten years into the future.

def main():
  print("Given the principal amount, the annual percentage yield, and the number of years,\n \
        the program calculates the value of the investment after each year.")
  p = eval(input("Enter the amount to invest (initial principal): "))
  apy = eval(input("Enter the interest rate (APY) in percent %: "))
  n = eval(input("Enter the number of years: "))

  result = p # using extra variable to keep the original value of p unchanged
  for i in range(n): # 10 iterations for 10 years
           result = result  + result*apy/100 # every year the balance in changing
           print("Balance after",i+1,"year(s):\t $",round(result,2))

main()